Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> I looked for 31, 32, 15 and 16. I didn't look for 30. Seems that was a
> very unusual case. I didn't see any others in the SGML.
You got burnt :-(. Did you also grep for "thirty" and related
spellings?
regards, tom lane